3.0 BAR Universal MAP Sensor Boost pressure Great general purpose MAP sensor for aftermarket ECUs. Alternative part numbers known as Haltech HT-010104. See CPS-043 for connector.MAP sensors are used by the ECU to measure air pressure and calculate the required amount of fuel the engine needs. Ensure your ECU is getting the best possible measurements by using T.I. Performance MAP Sensors.GM Part Number: 12223861PAT Premium Part Number: MAP-004Also Known As: HT-010104Fitment Universal 0 - 3.0 bar This part has universal applications is not be considered as DIY or bolt on. You will require some basic mechanical skill and experience to allow installation. You may need additional items, specialised tools or to make some modifications Description 1 Year warranty Senses up to 3,0 bar total (2,0 bar/29 PSI boost and 1,0 bar of vacuum) Suitable for aftermarket computers and retunes with super or turbo charging